During the blitzkreig of London in 1944, the Luftwaffe are dropping bombs which can be remotely defused by transmitting the correct code to them. Luckily each bomb is labelled with it's single letter defusion code.

Select the letters below you want to practice with and then click one of the buttons below to start.

In transmit mode, destroy the bombs by keying their letter in morse code with either with the mouse button or any key.
In receive mode, listen carefully for the transmitted code and hit the corresponding key on the keyboard to defuse.